<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
    <script src="https://cdn.bootcss.com/jquery/2.1.2/jquery.min.js"></script>
    <script>

        $(function () {

            $("#getBtn").click(function (){

                $.post('check.php', {name:'aaa'}, function (data) {
                    alert(data.name + data.age);
                },'json');


            });



        })

    </script>

</head>
<body>

<button id="getBtn">获取数据</button>

</body>
</html>